Compelling? Maybe to scientific illiterates like you and STUpid. First, the earth has been warmer in the last two million years than it is now. Second, anyone with a brain would be skeptical that this is really the "largest movement of marine species in two million years." Especially since scientists think that there may be 3X as many unknown marine species as known species.

Quote from Gayfly:

Warming oceans cause largest movement of marine species in two million years: